From 0e8df0fe2425eae7baaf18da869da9aa3c44dc03 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 24 Oct 2022 15:18:47 +1000 Subject: [PATCH] target/arm: Consider GP an attribute in get_phys_addr_lpae MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Both GP and DBM are in the upper attribute block. Extend the computation of attrs to include them, then simplify the setting of guarded. Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Reviewed-by: Alex Bennée Message-id: 20221024051851.3074715-11-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/ptw.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 691110f70c..79a0ef45c7 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -1058,7 +1058,6 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, uint32_t el = regime_el(env, mmu_idx); uint64_t descaddrmask; bool aarch64 = arm_el_is_aa64(env, el); - bool guarded = false; uint64_t descriptor; bool nstable; @@ -1324,7 +1323,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, descaddr &= ~(hwaddr)(page_size - 1); descaddr |= (address & (page_size - 1)); /* Extract attributes from the descriptor */ - attrs = descriptor & (MAKE_64BIT_MASK(2, 10) | MAKE_64BIT_MASK(52, 12)); + attrs = descriptor & (MAKE_64BIT_MASK(2, 10) | MAKE_64BIT_MASK(50, 14)); if (regime_is_stage2(mmu_idx)) { /* Stage 2 table descriptors do not include any attribute fields */ @@ -1332,7 +1331,6 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, } /* Merge in attributes from table descriptors */ attrs |= nstable << 5; /* NS */ - guarded = extract64(descriptor, 50, 1); /* GP */ if (param.hpd) { /* HPD disables all the table attributes except NSTable. */ goto skip_attrs; @@ -1385,7 +1383,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, /* When in aarch64 mode, and BTI is enabled, remember GP in the TLB. */ if (aarch64 && cpu_isar_feature(aa64_bti, cpu)) { - result->f.guarded = guarded; + result->f.guarded = extract64(attrs, 50, 1); /* GP */ } if (regime_is_stage2(mmu_idx)) {